Home / 123,256.20-170,093.10-66,667.59

Finding the Fourth Proportional to 123,256.20, 170,093.10 and 66,667.59

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Solution

The fourth proportional to 123,256.20, 170,093.10 and 66,667.59 is: 92,001.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,256.20 : 170,093.10 = 66,667.59 : x
  2. Step 2: Convert to fraction form
    123,256.20/170,093.10 = 66,667.59/x
  3. Step 3: Cross multiply
    123,256.20x = 170,093.10 × 66,667.59
  4. Step 4: Simplify right side
    123,256.20x = 11,339,697,052.63
  5. Step 5: Solve for x
    x = 11,339,697,052.63/123,256.20
  6. Step 6: Final answer
    x = 92,001.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.